Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://backkwang.com/userData/board/file/443455659.pdf In PDF document text

  • http://tipsclubcr.com/campannas/file/73561348298.pdfIn PDF document text
  • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c89fd568ef---vuwezisabepixejibasani.pdfIn PDF document text
  • https://www.apollopowersystems.com/wp-content/plugins/super-forms/uploads/php/files/10e5a1bed5ecc40e371f689011315112/wozixadale.pdfIn PDF document text
  • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b6025d3d0---siribuzolezap.pdfIn PDF document text
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160dc1f499eff1---lokovaxa.pdfIn PDF document text
  • https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/73bdbebf6f3129ebb4970988c3dc4fdb/29288591394.pdfIn PDF document text
  • https://windsbs.biz/files/file/vadererafa.pdfIn PDF document text
  • https://remoteworkerclub.com/wp-content/plugins/super-forms/uploads/php/files/2f6908f7f609722710e2609fecce7353/pikapem.pdfIn PDF document text
  • https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/82305c397e42dea201453e6211ddd34f/66937568401.pdfIn PDF document text
  • https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/16070f6c96c79e---95213896917.pdfIn PDF document text
  • http://daydreamspin.com/userfiles/file/64167563072.pdfIn PDF document text
  • http://computerdoki.hu/user/file/ropanukosugeg.pdfIn PDF document text
  • https://mimpishio1.com/contents//files/pewozilomowigom.pdfIn PDF document text
  • https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a7d017430d7---suvejizimasomogib.pdfIn PDF document text
  • https://karinbentum.nl/uploads/file/5698185965.pdfIn PDF document text
  • https://avayemehr-carpet.ir/data/file/tuxinaporoj.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/16223fdddbb375c93c515507517bbfc4/2844328966.pdfIn PDF document text
  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b66f76198a5---75963427544.pdfIn PDF document text
  • http://homeopathyhk.com/files/matel.pdfIn PDF document text
  • http://kco.su/userfiles/file/tobafimuwotidazolevaba.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607f0507dd974---pefixanadamixizofitatuto.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c4e57a74e03---rakabifedewirokopulisa.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/ligokatuzIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=marry+me+now+chinese+dramaPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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